Gene, you don't need to spend a bundle on a smoke system.

This is the pump I use:

http://www.jcwhitney.com/autoparts/I...D:100000214127

It'll set you back a whopping 13 bucks.

This article will show how I have mine set up:

http://www.rcuniverse.com/magazine/a...article_id=455

And here it is working on my old Skybolt with a YS 91AC:

http://www.minnartist.com/RCU/grafix...t_high_res.wmv